Questions tagged [orbit]

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488 views

360 Orbital Camera Controller

I have a stationary cube in my scene that I'm orbiting a camera around. I have my MainCamera nested under a GameObject that I'm calling 'OrbitalCamera'. I setup the script so that a click (or tap) ...
3
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1answer
104 views

Smoothly moving an orbiting object back into orbit

I have an object that orbits the player's sprite with code that looks like this: ...
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1answer
108 views

Direction between objects (shortest distance around sphere)

I have two objects rotating around a sphere. One is controlled by the user (object A), another is simulating a user but controlled by the computer (object B). At random intervals of time I'd like ...
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1answer
471 views

How to Find Collision Reflection Vector on a Sphere

I have a game I'm building in Unity with some objects orbiting a sphere via rotating around a pivot point (0,0,0) at a radius of 10 units on the z-axis. The orbiting objects all have the same velocity....
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1answer
173 views

How to achieve an orbit-adjustable rotation?

Here's a script: ...
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2answers
336 views

How do I make planet move slower the further away they are? [duplicate]

I got this code from somewhere else, I want to implement Kepler's third law to make the simulation look more realistic, the simulation is a 2D satellite orbiting around a planet, the satellite(Planet) ...
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2answers
218 views

How can I make a spaceship auto level while in orbit?

I’m trying to make a ship auto level so that the belly of the ship stays facing the planet. I found the answer in 2.5D*, but I can’t get it to work in 3D. ...
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2answers
110 views

Detecting collisions between orbiting objects in 2D

I am currently in the process of creating a 2D space debris simulation. I have the orbital physics implemented, but I am currently struggling to find a suitable way of detecting collisions. There are ...
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1answer
97 views

XNA - 2D camera orbit around sprite

OK, I have a 2d sprite in a scene and I would like to know the theory behind the camera orbiting around it with an analog stick. I know the basic code to get the input from the gamepad, but I'm having ...
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1answer
424 views

Unity Controller to Make Reticle Orbit based on the right stick input

d platformer arena like game. Right now I have it so a reticle moves around the player based on a controller's right stick's horizontal movement using the rotate around function and while it works ...
2
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2answers
419 views

How to rotate actors around the actor like a satellite around the earth?

I'm not a pro in LibGDX and physics but I know basics, vectors, actor's actions and so. I'm trying to achieve a movement like on the gif below: For now, let's say that I have a stage and a central ...
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0answers
69 views

My orbit code produces the wrong results

I have a GameObject called "Sun" in the sky. A game object called "GameManager" keeps track of time in the game, it is responsible for updating the hours and days. For my sun I do something like this ...
2
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1answer
2k views

How to avoid gimbal lock in Unreal Engine (c++)?

I created an orbit camera (sometimes called turntable camera; similar to the one with the "use UE3 orbit controls" setting in a static mesh view). I attached the camera to a ...
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2answers
45 views

Manual orbit motion jerks at a certain point

So I've been trying to make a simple sphere-orbiting-another-sphere test. The smaller sphere is supposed to circle the bigger one based on the mouse location. Here is my code: ...
4
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3answers
148 views

Computing a full revolution for an arbitrary orbit?

I'm making a game in which the goal is to get as many planets as possible to orbit around a star. The user launches planets at any distance away from the sun (as long as it's on-screen), and in any ...
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2answers
646 views

Object orbiting a 3d sphere

I'm developing in libgdx java/android but not using any high-level environment like Unity. I have a sphere at [0,0,0], with a PerspectiveCamera looking at it. Through the main game loop I have ...
7
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1answer
1k views

Orbital mechanics: orbit as a function of time. Universal variable formulation?

I am trying to model a two dimensional orbit for a two body Kepler problem but have gotten stuck when introducing the time variable. For a satellite with known semi major axis (a), eccentricity (e), ...
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0answers
41 views

2D orbital mechanics [duplicate]

I'm working on a 2D game which involves firing projectiles around a solar system and having the path of the projectile change based on the gravitational pull of solar bodies. I've been trying to find ...
3
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1answer
580 views

GameMaker: Studio - Slow down calculations

I currently have an orbital simulator, with a brilliant answer in another Game Development question here, and would like to know how to slow down the calculations of Game Maker, to be able to do more ...
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1answer
1k views

How does orbital math work?

I'm writing a 2d space game, and I want the players to be able to 'orbit' objects and other players (if they're fast enough, of course), but I'm having trouble coming up with the right way to think ...
6
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1answer
498 views

Orbits: Combine the Pros of RK4, Symplectic Euler, and Verlet Velocity Integrator

Recently, I've implemented and compared a number of basic integrators for my physics engine. The 3 that gave me the best results are RK4, Symplectic Euler, and Verlet Velocity, but I think I need ...
4
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1answer
399 views

Non linear scaling to show a sol system

In a sol system 2d simulation I have some problems in showing the entire system (ie: eaven planets far away than saturn ) letting distinguibles the nearest planet orbits. Actualy a use a simple ...
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0answers
299 views

Calculating orbital elements from Cartesian Vectors

I'm having serious troubles with getting my calculations to work. I'm calculating the orbital elements from a position vector, and a velocity vector. (I also know the distance and mass of the bodies ...
2
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0answers
542 views

Calculate Orbit Path/Ellipse given mass, velocity, and distance (2body)

Calculate and draw the path of an orbit in a 2 body problem given the mass, current velocity, and distance of both bodies? We're working in Unity and will be using the default rigidbody.mass to start ...
2
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1answer
1k views

What is wrong with my 2D orbit calculation?

I am working on a 2D game, and I am working on adding some space physics, so I need to find a way to create a circular orbit. I want to make my game object move on a circular way around a planet. I'm ...
2
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2answers
639 views

How do I keep my orbiting camera upright?

I am working on code that rotates the camera around a point on the in-game map when dragging the mouse. I understand how to lock it so it stays above the map surface. However, if I keep rotating the ...
3
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3answers
4k views

How can I implement simple object orbits in Game Maker?

I've seen a lot of tutorials for things like "fixed circular orbit" and "elliptical orbits" which end up never been what I actually want. I have two objects: ...
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1answer
495 views

How can make an object orbit a sphere in a random direction?

How can I move an object on a random orbital path around a sphere? I've created some objects at an initial position that is essentially a random point on the sphere offset by some distance (say, 10.0)...
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1answer
263 views

Homeworld style orbital camera concept [closed]

So I spent some time thinking of how I'm going to make a camera similar to what's used in Homeworld (a 3D space RTS, in which your camera can be rotated around your units to look at them from any ...
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2answers
460 views

How can I compute the orbit of one body around another?

I'm attempting to have a planet (with a known mass and radius) orbit it's sun (also with a known mass and radius). It doesn't have to be 100% realistic, but it should be possible that the sun have ...
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1answer
1k views

XNA Zoom in/out on model instead of scaling the model

I'm trying to implement zoom in/out functionality into my game. I can change the cameraDistance value with the Z and X keys. Instead of zooming, it looks like the model is scaled smaller or larger (...
6
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4answers
31k views

Unity3D Orbit around orbiting object (transform.RotateAround)

The best way to explain this is I'm attempting to make a small model solar system (not to scale or anything complicated, just simple rotation as a learning exercise). There's a sun, a planet, and that ...
0
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1answer
137 views

Computing orbit direction depending on angle of approach

I'm trying to develop a simple 2D space game with no friction using corona-sdk. In the game, I have several planets which all applies forces to the player according to Newton's law of universal ...
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3answers
1k views

Avoiding orbiting in pursuit steering behavior

I have a missile that does pursuit behavior to track (and try and impact) its (stationary) target. It works fine as long as you are not strafing when you launch the missile. If you are strafing, the ...
2
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2answers
1k views

adapting a Unity gravitational script to allow moons

I'm using this script: http://wiki.unity3d.com/index.php/Simple_planetary_orbits to get a solar system going in Unity, but it doesn't seem to support creating bodies that orbit other moving bodies (...
4
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2answers
1k views

how to calculate intersection time and place of multiple moving arcs

I have rocks orbiting moons, moons orbiting planets, planets orbiting suns, and suns orbiting black holes, and the current system could have many many layers of orbitage. the position of any object ...
8
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2answers
1k views

Elliptical orbit modeling

I'm playing with orbits in a simple 2-d game where a ship flies around in space and is attracted to massive things. The ship's velocity is stored in a vector and acceleration is applied to it every ...
4
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1answer
6k views

Orbiting a specific point - Orbiting Camera

How would I create a camera that with the mouse, it allows you to orbit around a specifc position, with the camera always facing that point? I would also like it to be able to always be at a constant ...